Calculated Industries QFCCL User Manual
Page 45

P
OCKET
R
EFERENCE
G
UIDE
— 41
You may want to perform a Clear All when first
setting your calculator to display in Metric units
so that these values also display in Metric units
to begin with. See Page 38 for a list of US and
Metric default values.
APPENDIX C – OPERATING
INSTRUCTIONS
Please follow the guidelines listed in this sec-
tion for proper care and operation of your
calculator. Not following the instructions list-
ed below may result in damage not covered
by your warranty. Refer to the Repair and
Return section for more details.
Do not expose calculator to temperatures
outside the operating temperature range of
32ºF – 104ºF (0ºC – 40ºC).
Do not expose calculator to high moisture
such as submersion in water, heavy rain, etc.
BATTERY
Your calculator is powered by a single 3-
Volt Lithium CR-2016 battery. This should
last approximately 800 hours of actual use
(1 year plus for most people). Should the
display become very dim or erratic, replace
the battery.
WARNING: Please use cau-
tion when disposing of your old batteries
as they contain hazardous chemicals.
Note: Replacement batteries are available at
most discount or electronic stores. You may also
call Calculated Industries at 1-775-885-4900.